Musical tone synthesizing apparatus

Details Musical tone synthesizing apparatus Musical tone synthesizing apparatus

1991-06-19

1993-07-20

Shoop, Jr., William M.

Music

Instruments

Electrical musical tone generation

84659, 84DIG9, 84DIG10, G10H 106, G10H 502

Patent

active

052295362

ABSTRACT:
In a musical tone synthesizing apparatus which synthesizes sounds of a non-electronic musical instrument containing a sound-generation element and an activating element, there is provided a loop circuit and an excitation circuit. In case of the piano, the sound-generation element and activating element respectively correspond to its string and hammer. On the basis of the operation of the activating element, the excitation circuit computes a relative displacement between the sound-generation element and activating element. Based on the computed relative displacement and its variation in a lapse of time, repulsion force applied between them is computed under consideration of the elastic characteristic and viscous characteristic of the activating element. Thereafter, the excitation circuit outputs an excitation signal, corresponding to the computed repulsion force, to the loop circuit so as to simulate the sound-generation mechanism of the non-electronic musical instrument.

REFERENCES:
Regarding Model of Piano Key Hammer, Nippon Onkyo GAkkai Koenron Bunshu, 327-328, Mar. 1985.

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